Home / 2,116,166.44-2,920,500.11-1,198,618.75

Finding the Fourth Proportional to 2,116,166.44, 2,920,500.11 and 1,198,618.75

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Solution

The fourth proportional to 2,116,166.44, 2,920,500.11 and 1,198,618.75 is: 1,654,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,166.44 : 2,920,500.11 = 1,198,618.75 : x
  2. Step 2: Convert to fraction form
    2,116,166.44/2,920,500.11 = 1,198,618.75/x
  3. Step 3: Cross multiply
    2,116,166.44x = 2,920,500.11 × 1,198,618.75
  4. Step 4: Simplify right side
    2,116,166.44x = 3,500,566,191,223.06
  5. Step 5: Solve for x
    x = 3,500,566,191,223.06/2,116,166.44
  6. Step 6: Final answer
    x = 1,654,201.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.